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2010 Confidence Interval Detail
148/Lipscomb
148-902/Follett ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 7,295,070 0.7801 9,351,455 19 236 .086398138
G1 56,647,125 1.0501 53,944,505 12 160 .015898138
G1 57,402,885 1.0715 53,572,455 11 63 .003888153
G1 55,964,874 1.0406 53,781,351 9 28 .050205990
G1 55,627,837 1.0709 51,944,941 6 11 .007583547
Random Totals: 232,937,791   222,594,707 57 498  
Catg J Exception Values: 558,697   484,402      
Catg D1 Exception Values: 14,948,230   14,948,230      
Total Test Values (4): 248,444,718   238,027,339      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 11,901,367

Confidence Interval Values (5)

State Lower Limit: 226,125,972 (State Test Value minus Margin of Error Percent)
Local Test Value: 248,444,718 (Within Confidence Interval)
State Upper Limit: 249,928,706 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 288,800,407 (See ISD Summary Worksheet)

Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories

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